/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.deltaspike.core.api.config.view.controller;
import org.apache.deltaspike.core.api.config.view.metadata.SimpleCallbackDescriptor;
import org.apache.deltaspike.core.api.config.view.metadata.ViewMetaData;
import org.apache.deltaspike.core.spi.config.view.ConfigPreProcessor;
import org.apache.deltaspike.core.spi.config.view.ViewConfigNode;
import java.lang.annotation.Annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies one or more view-controllers for the view-config which has this annotation applied. View-controllers can
* handle callbacks like {@link InitView}, {@link PreRenderView}, etc.
*/
//don't use @Inherited
@Target(TYPE)
@Retention(RUNTIME)
@Documented
@ViewMetaData(preProcessor = ViewControllerRef.AnnotationPreProcessor.class)
public @interface ViewControllerRef
{
/**
* Class of the view-controller.
*
* @return class of the view-controller
*/
Class<?> value();
/**
* Currently not implemented.
* Optional name of the view-controller.
*
* @return name of the view-controller
*/
//TODO
String name() default "";
class AnnotationPreProcessor implements ConfigPreProcessor<ViewControllerRef>
{
@Override
public ViewControllerRef beforeAddToConfig(ViewControllerRef metaData, ViewConfigNode viewConfigNode)
{
viewConfigNode.registerCallbackDescriptors(
ViewControllerRef.class, new Descriptor(metaData.value(), InitView.class));
viewConfigNode.registerCallbackDescriptors(
ViewControllerRef.class, new Descriptor(metaData.value(), PreViewAction.class));
viewConfigNode.registerCallbackDescriptors(
ViewControllerRef.class, new Descriptor(metaData.value(), PreRenderView.class));
viewConfigNode.registerCallbackDescriptors(
ViewControllerRef.class, new Descriptor(metaData.value(), PostRenderView.class));
return metaData; //no change needed
}
}
//not needed outside
static class Descriptor extends SimpleCallbackDescriptor<Void>
{
protected Descriptor(Class<?> beanClass, Class<? extends Annotation> callbackType)
{
super(beanClass, callbackType);
}
}
}